Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / drivers / pcmcia / pd6729.c

diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index 1c39d3438f20c3a8cd8a6a7ca386e0c862e2cc5c..70a33468bcd0b6851f2320578963b74a4df9ea96 100644 (file)
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -641,6 +641,12 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
        if ((ret = pci_enable_device(dev)))
                goto err_out_free_mem;
 
+       if (!pci_resource_start(dev, 0)) {
+               printk(KERN_INFO "pd6729: refusing to load the driver "
+                                "as the io_base is 0.\n");
+               goto err_out_free_mem;
+       }
+
        printk(KERN_INFO "pd6729: Cirrus PD6729 PCI to PCMCIA Bridge "
                "at 0x%llx on irq %d\n",
                (unsigned long long)pci_resource_start(dev, 0), dev->irq);